Sr. Principal Systems Engineer - Missile Guidance, Navigation, & Control Engineer

This engineer will help develop and integrate tactical missile flight-code algorithms while assessing system performance and supporting new or upgraded capabilities. Responsibilities include modeling missile dynamics, conducting optimization and Monte Carlo studies, evaluating navigation and control performance, and contributing to verification activities. The position operates within an Agile product-development environment and includes mentoring engineers, coordinating technical work, and communicating with program leadership and customers. It suits an experienced GNC, signal-processing, modeling, or simulation specialist with a strong background in missile systems and software-based engineering analysis. The job is onsite in Tucson and requires U.S. citizenship plus the ability to obtain an interim Secret clearance and subsequent special program access.